The Antonov cargo aircraft descends toward the Shuttle Landing Facility at NASA's Kennedy Space Center in Florida on Nov. 6, 2018, carrying the European Service Module (ESM) for Exploration Mission-1 (EM-1). The ESM, built by the European Space Agency, will supply the main propulsion system and power to the Orion spacecraft for Exploration Mission-1 (EM-1), a mission to the Moon. The ESM also will house air and water for astronauts on future missions. EM-1 will be an uncrewed flight test that will provide a foundation for human deep space exploration to destinations beyond Earth orbit. EM-1 will be the first integrated test of NASA's Space Launch System, Orion and the ground systems at Kennedy.